$(function () {
    getRem(1125, 100)
    window.onresize = function () {
        getRem(1125, 100)
    };
    function getRem(pwidth, prem) {
        var html = document.getElementsByTagName("html")[0];
        var oWidth = document.body.clientWidth || document.documentElement.clientWidth;
        html.style.fontSize = oWidth / pwidth * prem + "px";
    }
})
